Specifications

Technical Reference

Legislation and Compliance

Product Details

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Select all	Attribute	Value
	Brand	ABB
	Monitoring Application	Temperature
	Electrical Phase	1
	Contact Configuration	SPDT
	Mounting Type	DIN Rail
	Time Delay	<100ms
	Temperature Sensitivity	Overtemperature, Winding Temperature
	Series	CM-MSS
	Special Features	Automatic Reset, Fail-Safe, Inbuilt PTC Sensor, Insufficient Cooling Protection, One Measuring Circuit, Over Heating Protection, Over Load Protection
	Standards Met	UL
	Length	103.7mm
	Terminal Type	Push In
	Number of Poles	1
	Dimensions	103.7 x 22.5 x 85.6mm
	Current Range	Maximum of 3.7mA
	Maximum Operating Temperature	+60°C
	Width	22.5mm
	Operating Temperature Range	-25 → +60°C
	Minimum Operating Temperature	-25°C
	Height	85.6mm

	Select all
	Brand ABB
	Monitoring Application Temperature
	Electrical Phase 1
	Contact Configuration SPDT
	Mounting Type DIN Rail
	Time Delay <100ms
	Temperature Sensitivity Overtemperature, Winding Temperature
	Series CM-MSS
	Special Features Automatic Reset, Fail-Safe, Inbuilt PTC Sensor, Insufficient Cooling Protection, One Measuring Circuit, Over Heating Protection, Over Load Protection
	Standards Met UL
	Length 103.7mm
	Terminal Type Push In
	Number of Poles 1
	Dimensions 103.7 x 22.5 x 85.6mm
	Current Range Maximum of 3.7mA
	Maximum Operating Temperature +60°C
	Width 22.5mm
	Operating Temperature Range -25 → +60°C
	Minimum Operating Temperature -25°C
	Height 85.6mm

ABB CM-MSS Series Monitoring Relay, +60 °C Maximum Operating Temperature, SPDT Contact Configuration - 1SVR740700R2100 CM-MSS.13P

This monitoring relay is a robust electrical device designed specifically for temperature monitoring applications. With dimensions of 103.7 x 22.5 x 85.6mm, it provides reliable protection against overtemperature conditions in motors and generators through the use of PTC sensors. This compact device is easily mountable on DIN rails, making it ideal for various settings within the automation and electrical sectors.

Features & Benefits

• Automatic reset feature enhances usability after fault detection
• Integrated PTC sensor for precise temperature monitoring
• SPDT contact configuration for flexible circuit connections
• High safety standards with fail-safe design and overvoltage protection
• Quick response time of less than 100 ms for critical applications
• Compliant with UL 508 standards for safe operation

Applications

• Utilised for real-time monitoring of motor winding temperatures
• Employed in systems requiring protection against insufficient cooling
• Ideal for installations needing DIN rail mounting in control circuits
• Suitable for automation environments where temperature regulation is critical

What temperature range can this device operate in?

The device can function effectively within temperatures ranging from -25°C to +60°C, ensuring reliable performance in various conditions.

How does the automatic reset feature work?

Once the fault is cleared and temperatures fall below the specified threshold, the device automatically resets, allowing normal operation without manual intervention.

What types of connections are supported?

It offers both push-in terminals for effortless connections and traditional screw terminals, accommodating various wire sizes for flexibility in installations.

Is the device resistant to overvoltage conditions?

Yes, it includes built-in overvoltage protection for both supply and measuring inputs, safeguarding the device from unexpected spikes.

Units	Per unit
1 - 4	£71.84
5 - 9	£68.25
10 - 24	£64.67
25 - 49	£61.06
50 +	£57.48

ABB Temperature Monitoring Relay, 1 Phase, SPDT, DIN Rail

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